12659159564 has 36 divisors (see below), whose sum is σ = 23402925000. Its totient is φ = 5990789376.

The previous prime is 12659159561. The next prime is 12659159573. The reversal of 12659159564 is 46595195621.

12659159564 = 477² + 478² + ... + 3364².

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12659159561) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1800047 + ... + 1807065.

It is an arithmetic number, because the mean of its divisors is an integer number (650081250).

Almost surely, 2^12659159564 is an apocalyptic number.

It is an amenable number.

12659159564 is a deficient number, since it is larger than the sum of its proper divisors (10743765436).

12659159564 is a wasteful number, since it uses less digits than its factorization.

12659159564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8310 (or 8289 counting only the distinct ones).

The product of its digits is 2916000, while the sum is 53.

The spelling of 12659159564 in words is "twelve billion, six hundred fifty-nine million, one hundred fifty-nine thousand, five hundred sixty-four".